To provide a court for a game play easily enjoyable by everyone and mainly used for a sport game play on water.

This court has a plurality of blocks 1, etc., arranged longitudinally and laterally, a court sheet 11 to cover and wrap upper surfaces of the plurality of blocks, and a rope 12 for fixing the blocks to pull a peripheral edge opposite to the court sheet 11 wound on the lower surface of the court sheet 11. In the other embodiment, the court has the plurality of blocks 1, etc., arranged longitudinally and laterally, a cushioning material 9 interposed between each block, the court sheet 11 to cover and wrap upper surfaces of the plurality of blocks and the cushioning material 9 and the rope 12 for fixing the blocks to pull the peripheral edge opposite to the court sheet 11 wound on the lower surface of the court.